This hummingbird survives cold nights by nearly freezing itself solid



A black metaltail hummingbird (Metallura phoebe) perches on a branch in the Peruvian Andes. To survive cold nights, this bird cools down to 3° Celsius, putting itself in a state of suspended animation…more GLENN BARTLEY/ALL CANADA PHOTOS/ALAMY STOCK PHOTO
https://www.sciencenews.org/article/hummingbirds-black-metaltail-cold-torpor

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